19a84d0c990f027f9af77a60ae4203a3c969838c8c69012cbce938894b133cc9

Analysis

max time kernel
27s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 01:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

19a84d0c990f027f9af77a60ae4203a3c969838c8c69012cbce938894b133cc9.dll
Size

108KB
MD5

b61e75d963a6954b38f1f7d29eef6445
SHA1

8dc70b25153d95b5c162c23400515f434f974d8d
SHA256

19a84d0c990f027f9af77a60ae4203a3c969838c8c69012cbce938894b133cc9
SHA512

c94c6601016bd50eb6b164dcc017184aac56b9b5502377a491e5e37437ddd78bdeb9c040bec61a228f163f4bf4fa7c1eb5dbb8ee1832513a8f5802fceb98c22e
SSDEEP

3072:0D09MaWLOdfPQdYeW23376WrKMJg1oRuB1yFWgALVfZQg4JfM+tg:0aqOdHQnbKMJg1aAgUMfM+y

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2844	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2704	rundll32.exe
2704	rundll32.exe
2608	WerFault.exe
2608	WerFault.exe
2608	WerFault.exe
2608	WerFault.exe
2608	WerFault.exe
2608	WerFault.exe
2608	WerFault.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2600	2704	WerFault.exe	30
2608	2844	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2704	2720	rundll32.exe	30
PID 2720 wrote to memory of 2704	2720	rundll32.exe	30
PID 2720 wrote to memory of 2704	2720	rundll32.exe	30
PID 2720 wrote to memory of 2704	2720	rundll32.exe	30
PID 2720 wrote to memory of 2704	2720	rundll32.exe	30
PID 2720 wrote to memory of 2704	2720	rundll32.exe	30
PID 2720 wrote to memory of 2704	2720	rundll32.exe	30
PID 2704 wrote to memory of 2844	2704	rundll32.exe	31
PID 2704 wrote to memory of 2844	2704	rundll32.exe	31
PID 2704 wrote to memory of 2844	2704	rundll32.exe	31
PID 2704 wrote to memory of 2844	2704	rundll32.exe	31
PID 2844 wrote to memory of 2608	2844	rundll32mgr.exe	32
PID 2844 wrote to memory of 2608	2844	rundll32mgr.exe	32
PID 2844 wrote to memory of 2608	2844	rundll32mgr.exe	32
PID 2844 wrote to memory of 2608	2844	rundll32mgr.exe	32
PID 2704 wrote to memory of 2600	2704	rundll32.exe	33
PID 2704 wrote to memory of 2600	2704	rundll32.exe	33
PID 2704 wrote to memory of 2600	2704	rundll32.exe	33
PID 2704 wrote to memory of 2600	2704	rundll32.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\19a84d0c990f027f9af77a60ae4203a3c969838c8c69012cbce938894b133cc9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\19a84d0c990f027f9af77a60ae4203a3c969838c8c69012cbce938894b133cc9.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2844
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2844 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:2608
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 224
    3⤵
    - Program crash
    PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
memory/2704-8-0x000000006D240000-0x000000006D25B000-memory.dmp

Filesize
108KB

Download